the airline has now grounded eight 757s for reinspection. >>> to politics now where president obama and rival mitt romney will not be campaigning today, opting instead to prep for the first of their three debates tomorrow night in denver. republicans are hoping it will be a game changer for their nominee. who right now trails the president in every battleground state. nbc's brian mooar joins us from washington with all the details. brian, good morning. >> reporter: good morning, lynn. for both campaigns, this first debate brings both challenge and opportunity. as denver gets ready for tomorrow night's first presidential debate, so are the candidates. >> it will be a conversation with the american people that will span almost an entire month. we'll get to describe our respective views. >> reporter: romney is hoping to pick up a few votes with an endorsement from football great john elway. president obama is taking the personal approach to nail down support. >> this is barack obama. >> reporter: and like romney, the president sees this debate as a chance to talk to america. >> it's a choi